On the playback bar, yellow markers historically indicated where ads were placed . Modern updates have made these markers less prominent or more spontaneous . Content Context: Analog Horror & ARGs
For creators, a "yellow marker" (or yellow icon) is a notification in YouTube Studio indicating that a video has limited or no ads because it doesn't meet advertiser-friendly guidelines . yellowmarker.mp4
A yellow icon affects monetization status, but typically does not directly reduce a video's overall search and discovery performance unless the content is also age-restricted. On the playback bar, yellow markers historically indicated